LONGMOUNT, CO - DECEMBER 05: Encana Oil and Gas drills for oil east of Longmount, December 05, 2013. Oil and gas companies have pumped $4 billion in Colorado this year in the pursuit of oil. (Photo by RJ Sangosti/The Denver Post via Getty Images)
LONGMOUNT, CO - DECEMBER 05: Encana Oil and Gas drills for oil east of Longmount, December 05, 2013. Oil and gas companies have pumped $4 billion in Colorado this year in the pursuit of oil. (Photo by RJ Sangosti/The Denver Post via Getty Images)